InterviewSolution
Saved Bookmarks
| 1. |
A can do a piece of work in 10 days and B can do it in 15 days and C can do it 20 days. They started the work together and A leaves after 2 days and B leaves after 4 days from the beginning. How long |
|
Answer» 10 2/3 days 2/10 + 4/15 + x/20 = 1 |
|